Noun
clear weather
Yojijukugo (four character compound)
青天白日の身となった。He was completely cleared of the charge against him. being cleared of the charge (brought against one); having one's innocence proved
Yojijukugo (four character compound)
having a clear conscience; having nothing to be ashamed of
Yojijukugo (four character compound)
Also written 晴天白日【せいてんはくじつ】